Measurement E213M922
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π−))) | |
| Q2: | 3.0 — 3.5 GeV2 | |
| W: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.0117 | 0.1634 | 0.3342 | 0.372 |
| 27.0 | 1.6805 | 0.1209 | 0.2577 | 0.2846 |
| 45.0 | 0.5586 | 0.8334 | 0.1234 | 0.8425 |
| 63.0 | 1.3688 | 0.0816 | 0.2315 | 0.2455 |
| 81.0 | 1.2732 | 0.0809 | 0.231 | 0.2448 |
| 99.0 | 1.2458 | 0.1014 | 0.2318 | 0.253 |
| 117.0 | 1.0605 | 0.0922 | 0.2043 | 0.2242 |
| 135.0 | 0.8834 | 0.0758 | 0.1772 | 0.1927 |
| 153.0 | 1.0622 | 0.0982 | 0.1834 | 0.208 |
| 171.0 | 1.0514 | 0.1341 | 0.2109 | 0.2499 |
Experiment comment: